Home / 66,569.05-91,861.86-36,348.55

Finding the Fourth Proportional to 66,569.05, 91,861.86 and 36,348.55

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Solution

The fourth proportional to 66,569.05, 91,861.86 and 36,348.55 is: 50,159.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,569.05 : 91,861.86 = 36,348.55 : x
  2. Step 2: Convert to fraction form
    66,569.05/91,861.86 = 36,348.55/x
  3. Step 3: Cross multiply
    66,569.05x = 91,861.86 × 36,348.55
  4. Step 4: Simplify right side
    66,569.05x = 3,339,045,411.30
  5. Step 5: Solve for x
    x = 3,339,045,411.30/66,569.05
  6. Step 6: Final answer
    x = 50,159.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.